as

used for comparing two things or people that are similar in some way

como, tal como

• as + adj/adverb + as

Collocations as good as · as well as

• She is as tall as her brother.

  Ella es tan alta como su hermano.

used for saying what someone's job or position is, or what their purpose is

como, en calidad de

• as a + noun

Collocations as a teacher · as an artist

• He works as a doctor.

  Trabaja como médico.

used for saying when something happens, or how long it takes to do something

cuando, mientras que

• as + time expression

Collocations as soon as · as long as

• As soon as I arrived, she left.

  Tan pronto como llegué, ella se fue.

used for saying why something happens or what makes it possible

debido a que, ya que

• as + reason

Collocations as a result of · as well as

• As it was raining, we stayed at home.

  Como estaba lloviendo, nos quedamos en casa.

used for saying how something happens or is done

de la manera en que, como

• as + adverb

Collocations as quietly as possible · as quickly as you can

• He spoke as if he were a king.

  Habló como si fuera un rey.

used for saying what must be true or happen in order for something else to be possible or true

si, siempre que

• as + condition

Collocations as long as · as far as I know

• As long as you're happy, that's all that matters.

  Tanto como estés feliz, eso es lo que importa.

used for saying the relationship between two numbers or amounts

por cada, por

• as + number + as

Collocations as many as · as much as

• There are as many people here today as there were yesterday.

  Hoy hay tantas personas aquí como ayer.

used for saying that someone or something is the same person or thing as another

como, tal como

• as + noun

Collocations as we know it · as usual

• She is the same person as before.

  Ella es la misma persona que antes.